<template>
    <van-form @submit="submitForm" @failed="onFailed" ref="ruleFormRef" :m odel="form">
        <van-cell-group> <van-field v-model="form.username" label="账号：" placeholder="请输入账号" clearable name="username"
                :rules="usernameRules"></van-field>
        </van-cell-group> <van-cell-group>
            <van-field v-model="form.password" label="密码：" placeholder="请输入密码" clearable type="password" name="password"
                :rules="passwordRules"></van-field>
        </van-cell-group> <van-cell-group>
            <van-field v-model="form.confirmPassword" label="确认密码：" placeholder="请再次输入密码" clearable type="password"
                name="confirmPassword" :rules="comfirmPasswordRules"></van-field>
        </van-cell-group> <van-cell-group>
            <van-button block round type="primary" native-type="submit">注册</van-button>
        </van-cell-group> </van-form>
    <div class="tip">注册成功后的用户可用于登录</div>
</template>

<script setup>
import { ref, reactive } from 'vue'
import { getUser, register } from '../api' 
import useToken from '../stores/token'
import useUser from '../stores/user'
import { useRouter } from 'vue-router'

const { updateToken } = useToken() 
const { updateUser } = useUser()

const form = reactive({
    username: '',
    password: '',
    confirmPassword: ''
})
const ruleFormRef = ref()  
const router = useRouter()

const usernameRules = ref([
    { required: true, message: '用户名不能为空', trigger: 'onBlur' },
    { pattern: /^\w{3,16}$/, message: '用户名长度为 3-16 个字符', trigger: 'onBlur' }])
const passwordRules = ref([
    { required: true, message: '密码不能为空', trigger: 'onBlur' }, { pattern: /^\w{6,24}$/, message: '密码必须为 6-24 位英文字母或数字', trigger: 'onBlur' }])
const comfirmPasswordRules = ref([
    { required: true, message: '密码不能为空', trigger: 'onBlur' },
    { pattern: /^\w{6,24}$/, message: '密码必须为 6-24 位英文字母或数字', trigger: 'onBlur' },
    {
        validator: value => {
            if (value !== form.password) {
                return '两次输入的密码不一致'
            }
            return true
        }
    }])

const submitForm = async () => {
    const data = await register(form)
    if (data) {
        updateToken(data.token)
        const user = await getUser()
        updateUser({
            isLogin: true,
            username: user.username,
            avatar: user.avatar !== '' ? config.baseURL + '/' + user.avatar : ''
        })
        router.push({ name: 'user' })
    }
}
const onFailed = errorInfo => {
    console.log('failed', errorInfo)
}
</script>

<style lang="less" scoped>
button {
    position: fixed;
    top: 270px;
}

.tip {
    position: fixed;
    top: 330px;
    text-align: center;
    width: 100%;
    font-size: 14px;
    color: #666;
}
</style>